Invent

Blind Flange 400 dimensions ANSI B16.5


 

PIPE FLANGE RAISED FACE DRILLING TEMPLATE Approx Weight
Nominal Size OD Pipe

Outside Diameter

Thickness min

Face diameter

Number of holes

Bolt hole diameter

Diameter of bolt circle KG
D B G l k
1/2″ 21.3 95.2 14.2 35.1 4 15.7 66.5  0.76
3/4″ 26.7 117.3 15.7 42.9 4 19.1 82.6  1.28
1″ 33.4 124.0 17.5 50.8 4 19.1 88.9  1.60
1-1/4″ 42.2 133.4 20.6 63.5 4 19.1 98.6  2.23
1-1/2″ 48.3 155.4 22.4 73.2 4 22.4 114.3  3.25
2″ 60.3 165.1 25.4 91.9 8 19.1 127  4.15
2-1/2″ 73.0 190.5 28.4 104.6 8 22.4 149.4 6.13
3″ 88.9 209.6 31.8 127 8 22.4 168.1 8.44
3-1/2″ 101.6 228.6 35.1 139.7 8 25.4 184.2 11.0
4″ 114.3 254.0 35.1 157.2 8 25.4 200.2 13.7
5″ 141.3 279.4 38.1 185.7 8 25.4 235.0 18.5
6″ 168.3 317.5 41.1 215.9 12 25.4 269.7 25.5
8″ 219.1 381.0 47.8 269.7 12 28.4 330.2 42.6
10″ 273 444.5 53.8 323.9 16 31.8 387.4 64.5
12″ 323.8 520.7 57.2 381.0 16 35.1 450.9 94.3
14″ 355.6 584.2 60.5 412.8 20 35.1 514.4 124
16″ 406.4 647.7 63.5 469.9 20 38.1 571.5 162
18″ 457.2 711.2 66.5 533.4 24 38.1 628.7 205
20″ 508 774.7 69.9 584.2 24 41.1 685.8 254
24″ 609.6 914.4 76.2 692.2 24 47.8 812.8 386

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